Behavioral task
behavioral1
Sample
2024-03-26_a49c275f2f7ef808eef7fd2f4a7e1320_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-26_a49c275f2f7ef808eef7fd2f4a7e1320_cryptolocker.exe
Resource
win10v2004-20240319-en
General
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Target
2024-03-26_a49c275f2f7ef808eef7fd2f4a7e1320_cryptolocker
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Size
57KB
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MD5
a49c275f2f7ef808eef7fd2f4a7e1320
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SHA1
de19f954a365f11fc5d80d7255936113a6f35744
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SHA256
a52020ab632053140054b93368779e4f5f5ac269c12c281e5c58e3d4f1529019
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SHA512
e5467595be76814f4adb238597b3b96bdec2c5c82af2825b5e251678b143719a2b345fd43130acb41dfe199e6f7ae694f973d4c0209b6c6a783631ab0c4e41c7
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5app1JC:z6QFElP6n+gKmddpMOtEvwDpj9aYazC
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-03-26_a49c275f2f7ef808eef7fd2f4a7e1320_cryptolocker
Files
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2024-03-26_a49c275f2f7ef808eef7fd2f4a7e1320_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE